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WO2022033583A1 - Dispositif de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol Download PDF

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Publication number
WO2022033583A1
WO2022033583A1 PCT/CN2021/112526 CN2021112526W WO2022033583A1 WO 2022033583 A1 WO2022033583 A1 WO 2022033583A1 CN 2021112526 W CN2021112526 W CN 2021112526W WO 2022033583 A1 WO2022033583 A1 WO 2022033583A1
Authority
WO
WIPO (PCT)
Prior art keywords
aerosol
heater
generating device
thermally conductive
conductive element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/112526
Other languages
English (en)
Chinese (zh)
Inventor
胡瑞龙
卢志明
徐中立
李永海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen FirstUnion Technology Co Ltd
Original Assignee
Shenzhen FirstUnion Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen FirstUnion Technology Co Ltd filed Critical Shenzhen FirstUnion Technology Co Ltd
Priority to KR1020237005217A priority Critical patent/KR102850538B1/ko
Priority to JP2023509867A priority patent/JP2023537138A/ja
Priority to EP21855633.0A priority patent/EP4197356A4/fr
Priority to US18/021,174 priority patent/US20230346033A1/en
Publication of WO2022033583A1 publication Critical patent/WO2022033583A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating

Definitions

  • the embodiments of the present application relate to the technical field of heat-not-burn smoking articles, and in particular, to an aerosol generating device.
  • Smoking articles eg, cigarettes, cigars, etc.
  • Burn tobacco during use to produce tobacco smoke.
  • Attempts have been made to replace these tobacco-burning products by making products that release compounds without burning them.
  • Patent No. 201280060087.0 proposes a method to monitor the air flow change during the user's puffing process by detecting the power change, and then determine the user's puff action according to the air flow change.
  • Embodiments of the present application provide an aerosol-generating device for heating an aerosol-generating article to generate aerosol for inhalation; comprising: a chamber for receiving the aerosol-generating article; a heater for heating the aerosol-generating article received in the an aerosol-generating article of a chamber; a wall defining at least a portion of an airflow path that forms an airflow through the aerosol-generating device during puffing; a temperature sensor for sensing the temperature of the wall; an electrical circuit , is programmed to determine a user's puffing action when the temperature sensor detects a drop in the temperature of the wall.
  • the above aerosol-generating device determines the user's puff by sensing a drop in temperature of the walls at least partially bounding the airflow by a temperature sensor.
  • the circuit is programmed to determine a user's puffing action when a drop in temperature of the wall in the range of 7°C to 100°C is detected.
  • the wall is formed by at least a portion of the heater.
  • it further comprises: a thermally conductive element to conduct heat with the heater; the wall is formed by at least a portion of the thermally conductive element.
  • the thermally conductive element is in contact with the heater.
  • the heater is configured to extend axially of the chamber and surround at least a portion of the chamber; the thermally conductive element is positioned upstream of the heater; The axial direction is proximate the intake end of the thermally conductive element; the thermally conductive element is configured to provide an airflow path for outside air into the intake end.
  • the thermally conductive element is configured in the shape of a ring arranged coaxially with the heater.
  • it further comprises: a bracket located upstream of the heater and used to provide support for the heater at the intake end; the bracket is configured in an annular shape and is coaxial with the heater arranged; the thermally conductive element is located at least partially within the annular hollow of the support.
  • the temperature sensor is positioned and held between the outer sidewall of the thermally conductive element and the inner sidewall of the bracket.
  • the heat conducting element is provided with a notch, through which air enters the air intake end in use.
  • the thermally conductive element is configured to provide support to the heater at the intake end.
  • the heater is an infrared emitter that heats the aerosol-generating article by radiating infrared rays to the aerosol-generating article received in the chamber, or the heater is penetrable by a changing magnetic field
  • An inductive heater that generates heat and thereby heats the aerosol-generating article, or the heater is a resistive heater.
  • Fig. 2 is the structural representation of the heater and the heat conducting element in Fig. 1;
  • Fig. 3 is the schematic diagram of setting the temperature sensor on the heat conducting element in Fig. 2;
  • FIG. 4 is a schematic structural diagram of an aerosol generating device provided by yet another embodiment.
  • An embodiment of the present application proposes an aerosol generating device, the structure of which can be seen in FIG. 1 .
  • the aerosol generating device is used to receive the aerosol-generating product A and heat it to generate at least one volatile component to volatilize.
  • the aerosol-generating product A includes but is not limited to cigarettes; based on functional requirements, the structure and functional composition of the aerosol-generating device include:
  • the overall shape of the housing 10 is roughly square, that is, the dimension along the length direction is larger than the dimension in the width direction, and the dimension along the width direction is larger than the dimension in the thickness direction; A chamber for receiving the aerosol-generating article A.
  • a heater 30, configured in a tubular shape extending in the axial direction of the chamber and surrounding at least a portion of the chamber; heats the aerosol-generating article by emitting infrared rays to the surrounding aerosol-generating article A.
  • the heater 30 is an infrared emitter, wherein the specific structure of the infrared emitter can be obtained by depositing an infrared emitting coating on a tubular infrared transparent substrate such as a quartz tube, or by wrapping an infrared emitting film Yes, the aerosol-generating article A contained therein can be heated by radiating infrared rays.
  • the heater 30 is an infrared emitter.
  • the bracket 40 is used for supporting the heater 30 in the casing 10 , so that the heater 30 can be stably maintained in the casing 10 .
  • the bracket 40 is disposed below the heater 30 and supports the heater 30 at the lower end of the heater 30 .
  • the bracket 40 is configured in a ring shape and is disposed coaxially with the heater 30 .
  • the housing 10 is further provided with:
  • the thermally conductive element 50 and the temperature sensor 60 for sensing the temperature of the thermally conductive element 50 . in,
  • the bracket 40 is configured in an annular shape, and the lower end of the heater 30 abuts against a correspondingly provided step on the bracket 40 and other structures that are convenient for abutting and fixing to achieve fixing;
  • the thermally conductive element 50 is located in the annular hollow of the bracket 40 and is thermally conductive with the heater 30 , and the thermally conductive element 50 can make itself warm by receiving the temperature of the heater 30 .
  • the path of the airflow is shown by arrow R, and the lower end penetrates through the hollow of the bracket 40 and then enters the aerosol-generating product A in the heater 30 .
  • the inner wall of the thermally conductive element 50 is at least partially exposed to the airflow, thereby forming or defining an airflow path for the aerosol-generating article A of the heater 30 through which external air passes through the thermally conductive element 50 during the suction process.
  • the bracket 40 and the heat conducting element 50 are arranged upstream of the heater 30, not downstream.
  • the terms 'upstream' and 'downstream' are used to denote the direction of the flow of gas flow through the aerosol-generating device with respect to the user during a puff, wherein the gas flow direction is from "upstream” to "upstream” Downstream,” in turn describes the relative positions of elements, or parts of elements, of the aerosol-generating device arranged along the direction of airflow flow.
  • the temperature sensor 60 is closely attached to the outer wall of the heat-conducting element 50 by abutting or attaching, and the temperature sensor 60 is used to sense the temperature on the outer wall of the heat-conducting element 50 , and the temperature sensor 60 is located in the heat-conducting element 50 . Between the outer side wall of the element 50 and the inner side wall of the bracket 40, the temperature sensor 60 senses the temperature change of the inner wall of the heat-conducting element 50; during the suction process, when the cold air passes through the inner wall of the heat-conducting element 50, it will bring The heat from the inner wall of the heat-conducting element 50 has a cooling effect on the inner wall of the heat-conducting element 50 .
  • the temperature sensor 60 in order to sense the temperature of the inner wall of the heat-conducting element 50, is not limited to be arranged on the outer wall of the heat-conducting element 50, but can also be arranged at other positions, for example, the temperature sensor 60
  • the temperature sensor 60 is disposed in the hollow cavity of the bracket 40 , and the temperature sensor 60 is connected with the inner wall of the thermally conductive element 50 by means of a thermally conductive connector, so as to sense the temperature of the inner wall of the thermally conductive element 50 .
  • the user's suction action can be determined by monitoring the temperature drop of the inner wall of the heat conducting element 50 by the temperature sensor 60 during the suction process.
  • the aerosol generating device can record the user's puffing times or the number of mouths; at the same time, the consumption of the aerosol-generating product A can be accumulated and calculated according to the puffing times and duration, and when When the calculated consumption is greater than a predetermined value, the cell 20 is prevented from outputting power.
  • the above calculation can determine the consumption of the aerosol-generating product A by determining the suction action, so as to monitor whether the user's suction is excessive or the aerosol-generating product A is consumed, and then when the suction is excessive or the aerosol-generating product A has been consumed , to prevent continued heating.
  • the above recorded or calculated number of puffs and consumption may be prompted to the user in real time through the UI interface of the display screen provided on the aerosol generating device or a component with a reminder function.
  • the heat-conducting element 50 is made of copper, silver, aluminum, gold or alloys containing them and other materials that conduct heat quickly.
  • the temperature sensor 60 uses a thermocouple, or a PTC/NTC temperature sensor, or a conductive pattern/trace formed on the thermally conductive element 50 with a positive or negative temperature coefficient of resistance, or the like.
  • the thermally conductive element 50 is also generally annular in shape, and the interior space portion thereof provides a portion of the path of the airflow R.
  • the heat-conducting element 50 is provided with a gap 51 for air to enter the interior; in use, the external air enters the heat-conducting element 50 through the gap 51 and flows to the heater 30, such as It is indicated by arrow R in FIG. 3 .
  • the temperature sensor 60 is fastened on the outer wall of the heat-conducting element 50 by means of gluing or the like. At the same time, the temperature sensor 60 abuts against the inner wall of the bracket 40 and is stably held between the thermally conductive element 50 and the bracket 40 .
  • the thermally conductive element 50 receives heat from the heater 30 through direct contact with the heater 30 after being assembled.
  • FIG. 4 shows a schematic structural diagram of an aerosol generating device proposed by another embodiment; including:
  • the overall shape of the casing 10a is substantially square, that is, the dimension along the length direction is larger than the dimension along the width direction, and the dimension along the width direction is greater than the dimension along the thickness direction; wherein, the casing 10a includes a proximal end 110a and a distal end 110a opposite along the length direction.
  • the end 120a in use the proximal end 110a, serves as the end for aspiration and manipulation of the aerosol-generating article A near the user.
  • proximal end 110a is provided with a first opening 111a through which, in use, the aerosol-generating article A can be received within housing 10a to be heated or removed from the housing.
  • the distal end 120a is provided with a second opening 121a opposite to the first opening 111a.
  • the second opening 121a is used as an air inlet for the entry of external air during the suction process, and at the same time, it can also be used for cleaning through thin rods, iron wires, etc.
  • the tool extends into the cleaning port in the housing 10a for cleaning the interior.
  • a chamber for receiving the aerosol-generating article A is formed within the housing 10a between the first opening 111a and the second opening 121a.
  • the casing 10a is also provided with:
  • Sensate heater 30a configured as a tubular shape surrounding at least a portion of the chamber; in the preferred embodiment shown in FIG. 1, sensate heater 30a heats the aerosol-generating article A by being penetrated by a changing magnetic field to generate heat .
  • the induction coil 40a extends along the length of the induction heater 30a and surrounds the induction heater 30a, and further in use, can induce the induction heater 30a to generate heat by generating a changing magnetic field.
  • the second heat conducting element 50a is positioned between the susceptibility heater 30a and the second opening 121a, and provides support for the lower end of the susceptibility heater 30a.
  • the second heat-conducting element 50a is configured in a hollow tubular shape, while the inside of the second heat-conducting element 50a is hollow for providing an air flow path for external air to enter the chamber through the second opening 121a during suction.
  • the second thermally conductive element 50a is upstream of the susceptibility heater 30a.
  • the temperature sensor 60a is closely attached to the outer wall of the second heat-conducting element 50a, and is used to sense the temperature of the second heat-conducting element 50a; and the circuit board 70a passes through the airflow when the temperature of the second heat-conducting element 50a drops to determine the suction action of the user .
  • the heating temperature of the feeling heater 30a is usually maintained at 280-320°C, and the temperature of the second heat conducting element 50a is relatively low relative to the feeling heater 30a, specifically about 50°C. ⁇ 180°C; the circuit board 70 is specifically programmed to detect that the temperature drop of the thermally conductive element 50 is in the range of 7°C to 100°C, and it is determined that the user's suction is appropriate. In a more preferred implementation, it may be more accurate to determine the user's suction when the temperature drop of the thermally conductive element 50 is detected in the range of 20°C to 70°C.
  • the aerosol generating device further includes a ring-shaped holding element 61a sleeved outside the second heat-conducting element 50a.
  • a ring-shaped holding element 61a sleeved outside the second heat-conducting element 50a.
  • the above aerosol-generating device may also heat the aerosol-generating article A by means of resistance heating.
  • heating is performed by a resistance heater after forming a resistance heating track on a tubular electrically insulating substrate such as a ceramic tube, a PI (polyimide) film, or the like.
  • the above can be used to determine that the user's suction action is formed by a part extended from the heater by detecting the temperature drop, and then determine the user by monitoring the temperature drop of the extended part of the heater during suction. suction.
  • a portion of the tube extending from the heater does not contain or receive the aerosol-generating article A.
  • the heater 30 includes a quartz tube substrate and an infrared emission coating formed on the quartz tube substrate; the infrared emission coating does not completely cover the surface of the quartz tube substrate, so that the quartz tube A part of the wall extending downward of the base material is exposed, and the exposed part forms a wall whose temperature is sensed by the temperature sensor, so as to sense the suction action of the user.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Resistance Heating (AREA)

Abstract

La présente invention concerne un dispositif de génération d'aérosol comprenant : une chambre utilisée pour recevoir un article de génération d'aérosol ; un dispositif de chauffage (30) utilisé pour chauffer l'article de génération d'aérosol reçu dans la chambre ; une paroi, la paroi définissant au moins une partie d'une voie d'écoulement d'air dans laquelle l'écoulement d'air traverse le dispositif de génération d'aérosol pendant un processus de bouffée ; un capteur de température (60) utilisé pour détecter la température de la paroi ; et un circuit programmé pour déterminer une action de bouffée d'un utilisateur lorsque la chute de température de la paroi est détectée par le capteur de température (60). Selon le dispositif de génération d'aérosol, la chute de température de la paroi définissant au moins partiellement l'écoulement d'air est détectée par le capteur de température (60) pour déterminer la bouffée de l'utilisateur.
PCT/CN2021/112526 2020-08-13 2021-08-13 Dispositif de génération d'aérosol Ceased WO2022033583A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020237005217A KR102850538B1 (ko) 2020-08-13 2021-08-13 에어로졸 생성 장치
JP2023509867A JP2023537138A (ja) 2020-08-13 2021-08-13 エアロゾル発生装置
EP21855633.0A EP4197356A4 (fr) 2020-08-13 2021-08-13 Dispositif de génération d'aérosol
US18/021,174 US20230346033A1 (en) 2020-08-13 2021-08-13 Vapor generation device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021693770.6U CN213587421U (zh) 2020-08-13 2020-08-13 气雾生成装置
CN202021693770.6 2020-08-13

Publications (1)

Publication Number Publication Date
WO2022033583A1 true WO2022033583A1 (fr) 2022-02-17

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PCT/CN2021/112526 Ceased WO2022033583A1 (fr) 2020-08-13 2021-08-13 Dispositif de génération d'aérosol

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Country Link
US (1) US20230346033A1 (fr)
EP (1) EP4197356A4 (fr)
JP (1) JP2023537138A (fr)
KR (1) KR102850538B1 (fr)
CN (1) CN213587421U (fr)
WO (1) WO2022033583A1 (fr)

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CN213587421U (zh) * 2020-08-13 2021-07-02 深圳市合元科技有限公司 气雾生成装置
CN115701329A (zh) * 2021-08-02 2023-02-10 深圳市合元科技有限公司 气雾生成系统及气雾生成装置
CN115868687A (zh) * 2021-09-29 2023-03-31 深圳市合元科技有限公司 气雾生成装置及用于气雾生成装置的加热器

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KR102850538B1 (ko) 2025-08-25
KR20230038552A (ko) 2023-03-20
EP4197356A1 (fr) 2023-06-21
JP2023537138A (ja) 2023-08-30
CN213587421U (zh) 2021-07-02
US20230346033A1 (en) 2023-11-02
EP4197356A4 (fr) 2024-01-17

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